15. The main job of county commissioners is a. To make laws for their county b. To issue charters to the cities in their jurisdiction c. To carry out state laws d. To appoint state senators 16. Which of the following statements about how a bill becomes a law is true? a. A bill from a state legislature must be signed by the President before it can become a b. Most bills die in committee c. Federal bills must be ratified by each state in order to take effect d. Federal tax bills may only start in the U. S. Senate